Go Developer Wanted: Need Step by Step Instruction to install flarectl (a cloudflare cli written in Go and hosted on Github) on Mac (Go Environment is done via Brew)

I want to use flarectl (an Offical Cloudflare CLI) on my mac. Details can be found on :[login to view URL] and the github. However, due to lack of Go knowledge like how to install packages, I get lost on how to set it up. Step by Step Instruction to install flarectl (a cli written in Go and hosted on Github) on Mac (Go Environment is done via Brew) go version go version go1.13 darwin/amd64 Thanks